CoHfO2N

ceramic
· CoHfO2N

CoHfO2N is an experimental ceramic oxynitride compound containing cobalt, hafnium, oxygen, and nitrogen. This material belongs to the high-entropy ceramic oxynitride family, designed to combine the thermal stability and hardness of hafnium oxides with the enhanced mechanical and chemical properties enabled by nitrogen incorporation. Research into such materials targets extreme-environment applications where conventional ceramics reach performance limits; these compounds are typically studied for potential use in next-generation thermal barriers, wear-resistant coatings, and high-temperature structural applications, though widespread industrial adoption remains limited pending further development and cost optimization.

thermal barrier coatingshigh-temperature structural ceramicswear-resistant surfacesresearch and developmentaerospace applicationshard coating systems

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Magnetic Moment(μB)
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μB——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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eV/atom——
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.
CoHfO2N — Properties & Data | MatWorld